diff --git a/nextflow_schema.json b/nextflow_schema.json
index 625b27f..6af20c7 100644
--- a/nextflow_schema.json
+++ b/nextflow_schema.json
@@ -1,5 +1,5 @@
 {
-  "$schema": "http://json-schema.org/draft-07/schema",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
   "$id": "https://raw.githubusercontent.com/oma-browser-build/master/nextflow_schema.json",
   "title": "oma-browser-build pipeline parameters",
   "description": "Convert OMA run into OMA Browser release",